23112503000000 has 392 divisors, whose sum is σ = 61144359529680. Its totient is φ = 8637696000000.

The previous prime is 23112502999979. The next prime is 23112503000003. The reversal of 23112503000000 is 30521132.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112503000003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2362995110 + ... + 2363004890.

Almost surely, 2^{23112503000000} is an apocalyptic number.

23112503000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112503000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30572179764840).

23112503000000 is an abundant number, since it is smaller than the sum of its proper divisors (38031856529680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23112503000000 is an frugal number, since it uses more digits than its factorization.

23112503000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979 (or 9944 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 23112503000000 its reverse (30521132), we get a palindrome (23112533521132).

The spelling of 23112503000000 in words is "twenty-three trillion, one hundred twelve billion, five hundred three million", and thus it is an aban number.